Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 473 · 40 questions

How it works (Round and adjust): Round up: 49 is 50 − 1, 98 is 100 − 2. Multiply by the round number. Take away the number times the bit you added.

1. 1.15 × 9 =
2. 2.26 × 98 =
3. 3.9 × 19 =
4. 4.14 × 99 =
5. 5.13 × 29 =
6. 6.11 × 98 =
7. 7.15 × 9 =
8. 8.5 × 29 =
9. 9.13 × 98 =
10. 10.4 × 19 =
11. 11.25 × 98 =
12. 12.10 × 19 =
13. 13.14 × 19 =
14. 14.4 × 49 =
15. 15.9 × 49 =
16. 16.9 × 29 =
17. 17.4 × 9 =
18. 18.20 × 99 =
19. 19.5 × 19 =
20. 20.5 × 9 =
21. 21.15 × 9 =
22. 22.12 × 99 =
23. 23.15 × 29 =
24. 24.5 × 19 =
25. 25.12 × 19 =
26. 26.15 × 49 =
27. 27.7 × 49 =
28. 28.19 × 98 =
29. 29.10 × 49 =
30. 30.12 × 19 =
31. 31.4 × 9 =
32. 32.7 × 99 =
33. 33.4 × 49 =
34. 34.24 × 98 =
35. 35.12 × 9 =
36. 36.10 × 99 =
37. 37.9 × 29 =
38. 38.27 × 98 =
39. 39.9 × 19 =
40. 40.29 × 98 =

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